Chemical Engineering MCQs

Page No. 355

Transistor parts and refrigerator components are normally made of_____________________?


aPolystyrene


bPolyester


cHigh density polythene


dPolyurethane


View Answer Polystyrene

Which of the following has the weakest intermolecular forces ?


aPolyisoprene


bNylon-66


cPolystyrene


dBakelite


View Answer Polyisoprene

Epoxy resin is a polymer containing two or more groups of the bellow fig. is called epoxide group or ethoxyline group. It is a _______________?


aPolyamide & an elastomer


bGood adhesive


cSurface coating agent


dBoth B. and C.


View Answer Both B. and C.

Which of the following is an inorganic polymer ?


aTeflon


bPerspex


cSilicones


dBakelite


View Answer Silicones

Polyurethane cannot be used for making____________________?


aMattresses & foam


bCoating material


cAdhesives


dBottles


View Answer Bottles

Which one is the radioactive isotope of hydrogen ?


aDeuterium


bOrtho-hydrogen


cTritium


dNone of these


View Answer Tritium

Candu reactor is a ______________ nuclear reactor?


aNatural uranium fuelled heavy water cooled & moderated


bHighly enriched uranium (85% U-235) fuelled


cHomogeneous


dFast breeder



Heavy water is used as a moderator in a _____________________?


aPressurised water reactor (PWR)


bBoiling water reactor (BWR)


cCandu reactor


dMolten sodium cooled reactor


View Answer Candu reactor

Which is a fertile nuclear fuel ?


aU-233


bU-235


cPu-239


dTh-232


View Answer Th-232

Enriched uranium means that, it contains___________________?


aMore than 0.71% of U-235


bOnly fertile material


cOnly fissile material


dNo impurities



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